No. 1 seed Emma Raducanu advanced to the second round of the Zavarovalnica Sava Portoroz when her first-round opponent, Dayana Yastremska of Ukraine, retired Monday night in Portoroz, Slovenia.
Raducanu was already two points away from winning the match at the time. She led 6–2, 5–3, 30–0, having saved three of four break points while converting four of her five opportunities to break Yastremska’s serve.
